| 摘要 |
PROBLEM TO BE SOLVED: To lubricate a timing chain utilizing an oil fed to a tensioner hydraulic adjuster, inhibit an extension of the timing chain, reduce an abrasion of a crank sprocket, a timing chain tensioner and a timing chain guide and lengthen a life. SOLUTION: The timing chain guide restricts a motion of the timing chain wound on a crank sprocket mounted to a crankshaft of an engine and a cam sprocket mounted to a cam shaft. In this timing chain guide, a guide body having a cross section of an approximately U shape is formed and provided so as to surround the timing chain by a slide part, a ceiling part and a side surface part and a guide space is formed and provided in this guide body. An oil introduction hole for introducing an oil to the guide space is provided on the side surface part of the guide body and an oil injection port of the tensioner hydraulic adjuster is provided opposed to this oil introduction hole.
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